"""
Case Type   : 兼容M*数据库datetime数据类型
Case Name   : mot表使用datetime类型
Create At   : 2022.10.08
Owner       : z@wan005
Description :
    1、建mot表
    2、插入datetime数据
    3、查询
    4、清理环境
Expect      :
    1、成功
    2、成功
    3、成功
    4、成功
History     :
    modified by lvlintao at 2025/3/24，优化用例，适配MOT开关
"""

import os
import unittest

from testcase.utils.Common import Common
from testcase.utils.CommonSH import CommonSH
from testcase.utils.Constant import Constant
from testcase.utils.Logger import Logger


class CompatibilityTest0029(unittest.TestCase):

    def setUp(self):
        self.log = Logger()
        self.common = Common()
        self.sh_primary = CommonSH('PrimaryDbUser')
        self.constant = Constant()
        self.db_name = "db_datetime_0029"
        self.tb_name = "tb_datetime_0029"
        self.default_value = self.common.show_param(
            'enable_incremental_checkpoint')
        self.mot_engine = "enable_mot_server"
        text = '--------开启mot特性  ' \
               'expect:修改成功，重启数据库成功--------'
        self.log.info(text)
        self.engine_res = self.common.show_param(f'{self.mot_engine}')
        self.sh_primary.execute_gsguc('set',
                                      self.constant.GSGUC_SUCCESS_MSG,
                                      f'{self.mot_engine} = on')
        self.sh_primary.restart_db_cluster()
        status = self.sh_primary.get_db_cluster_status()
        self.log.info(status)
        self.assertTrue("Degraded" in status or "Normal" in status,
                        '执行失败:' + text)

    def test_datetime(self):
        self.log.info(f'-----{os.path.basename(__file__)} start-----')
        self.log.info('----前置条件：设置参数为off并创建兼容b库---')

        sql_res = self.sh_primary.execut_db_sql('alter system set '
                                                'enable_incremental_checkpoint'
                                                ' to off;')
        self.log.info(sql_res)
        self.assertIn(self.constant.ALTER_SYSTEM_SUCCESS_MSG, sql_res)
        restart_msg = self.sh_primary.restart_db_cluster()
        self.log.info(restart_msg)
        status = self.sh_primary.get_db_cluster_status()
        self.assertTrue("Degraded" in status or "Normal" in status)
        sql_cmd = f"drop database if exists {self.db_name};" \
                  f"create database {self.db_name} dbcompatibility 'b';"
        self.log.info(sql_cmd)
        sql_res = self.sh_primary.execut_db_sql(sql_cmd)
        self.log.info(sql_res)
        self.assertIn(self.constant.CREATE_DATABASE_SUCCESS, sql_res)

        text = '--step1:建mot表;expect:成功--'
        self.log.info(text)
        sql_cmd = f"drop foreign table if exists {self.tb_name};" \
                  f"create foreign table {self.tb_name}(c1 datetime);"
        self.log.info(sql_cmd)
        sql_res = self.sh_primary.execut_db_sql(sql_cmd,
                                                dbname=f'{self.db_name}')
        self.log.info(sql_res)
        self.assertIn('CREATE FOREIGN TABLE', sql_res, '执行失败' + text)

        text = '--step2:插入datetime数据;expect:成功--'
        self.log.info(text)
        sql_cmd = f"insert {self.tb_name} values('0001-01-01 00:00:00');" \
                  f"insert {self.tb_name} values('294277-01-09 04:00:00');" \
                  f"insert {self.tb_name} values('0000-01-01 00:00:00');" \
                  f"insert {self.tb_name} values('294277-1-9 4:00:54.775807');"
        self.log.info(sql_cmd)
        sql_res = self.sh_primary.execut_db_sql(sql_cmd,
                                                dbname=f'{self.db_name}')
        self.log.info(sql_res)
        self.assertEqual(sql_res.count(self.constant.INSERT_SUCCESS_MSG), 4,
                         '执行失败' + text)

        text = '--step3:查询;expect:成功--'
        self.log.info(text)
        sql_cmd = f"select * from {self.tb_name};"
        self.log.info(sql_cmd)
        sql_res = self.sh_primary.execut_db_sql(sql_cmd,
                                                dbname=f'{self.db_name}')
        self.log.info(sql_res)
        res_list = ['0001-01-01 00:00:00', '294277-01-09 04:00:00',
                    '0000-01-01 00:00:00', 'infinity']
        for res in res_list:
            self.assertIn(res, sql_res, '执行失败:' + text)

    def tearDown(self):
        text = '----step4:清理环境;expect:成功----'
        self.log.info(text)
        sql_cmd = f"drop foreign table if exists {self.tb_name};"
        self.log.info(sql_cmd)
        drop_res = self.sh_primary.execut_db_sql(sql_cmd,
                                                 dbname=f'{self.db_name}')
        self.log.info(drop_res)
        sql_cmd = f"drop database {self.db_name};checkpoint;"
        self.log.info(sql_cmd)
        drop_res1 = self.sh_primary.execut_db_sql(sql_cmd,
                                                  dbname='postgres')
        self.log.info(drop_res1)
        alter_cmd = self.sh_primary.execut_db_sql(
            f'alter system set enable_incremental_checkpoint to'
            f' {self.default_value};')
        self.log.info(alter_cmd)
        self.assertIn(self.constant.ALTER_SYSTEM_SUCCESS_MSG, alter_cmd)
        text = '--------还原mot特性  ' \
               'expect:修改成功，重启数据库成功--------'
        self.log.info(text)
        self.sh_primary.execute_gsguc('set',
                                      self.constant.GSGUC_SUCCESS_MSG,
                                      f'{self.mot_engine} = {self.engine_res}')
        restart_msg = self.sh_primary.restart_db_cluster()
        self.log.info(restart_msg)
        status = self.sh_primary.get_db_cluster_status()
        self.assertTrue("Degraded" in status or "Normal" in status)
        self.assertIn('DROP FOREIGN TABLE', drop_res, '执行失败' + text)
        self.assertIn(self.constant.DROP_DATABASE_SUCCESS, drop_res1,
                      '执行失败' + text)
        self.log.info(f'-----{os.path.basename(__file__)} end-----')
